It extends between the 24° and 45° of south latitude, and comprises the
continent bounded by the ocean on the west, and the Andes on the east;
and the islands on its coasts. Its greatest length being about 1260
miles, and its greatest breadth 300. The extent has been estimated to
be equal to 22,574 square leagues.
It is bounded on the north by La Plata, and from Peru it is separated
by the desert and province of Atacama; on the east it is bounded by the
Buenos Ayrean provinces of Tucuman and Cuyo, and by Terra Magellanica,
or Patagonia; on the west, the Southern Pacific washes its shores; and
on the south, the unconquered and desert countries of Terra Magellanica
complete its limits.